Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Scolytus

red-and-black bark beetle - Scolytus Bark beetle - Scolytus multistriatus - male Scolytus muticus Scolytus muticus - male Bark Beetle - Scolytus muticus beetle - Scolytus Scolytus sp.? - Scolytus multistriatus Scolytus rugulosus  - Scolytus rugulosus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Scolytini (Typical Bark Beetles)
Subtribe Scolytina
Genus Scolytus
Explanation of Names
Scolytus Geoffroy 1762
20 spp. (of which 4 adventive) in our area, 120 total(1)
1.5–5.2 mm(1)
key to eastern species in (2)
images of Scolytus scolytus (invasive sp. not yet in the guide)
Most of the Northern Hemisphere (incl. the entire NA) and S. America(1)(3)
Phloeophagous (feed on phloem)(3)
Life Cycle
Native wild species are found in conifers, while introduced species are in hardwoods(3)
Internet References
S. ventralis (Fir Engraver Beetle) Fact sheet (Christopherson 2013)(4)